Lord Darcy is a 1983 omnibus collection of two previous fantasy collections and one fantasy novel by Randall Garrett featuring his alternate history detective Lord Darcy, published by Doubleday as a selection in its Science Fiction Book Club. The component books had originally been published in 1966, 1979 and 1981. The collection was reissued in 1999. A second edition, edited by Eric Flint, was published by Baen Books in 2002. The second edition reorganized the contents, added two stories not included in the original edition or its component volumes, and was edited slightly to remove duplicative material.